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2186 Commits

Author SHA1 Message Date
Pascal Massimino
894232be56 smartYUV: fix and simplify the over-zealous stop criterion 
We usually need at least 2 iterations to converge
(and usually not much more after that). Only 1 was not enough.

Change-Id: Iaf802ea81afa2596f4ba045c92f5eaff61623b7b
 2016-09-09 10:10:13 +02:00
Hui Su
8de08483b6 Remove unused code in webpi.h 
Change-Id: If927530034cefa0da62ddfde588833aafec51d4d
 2016-09-08 22:46:32 -07:00
Pascal Massimino
545c147fd8 remove mention of fragment, frgm, FRGM, etc. 
demux.h still has a 'fragment' field, for historical reasons.

bumped the ABI number in mux.h

Change-Id: I73299aa2e96b1f2e44f5cebfd84c597d1db12bff
 2016-09-02 14:43:12 +02:00
hui su
9e478f808e dec/vp8l.c: add assertions in EmitRescaledRowsRGBA/YUVA 
Add assertions to make sure the number of lines that are imported
into rescaler is as expected.

Change-Id: I3e9e4202e696bb09f7aa54519285b6b0deb84c1a
 2016-09-01 20:58:37 -07:00
James Zern
0a57ad0dc5 cosmetics: WebPSafeAlloc -> WebPSafeMalloc 
Change-Id: I0c47b827cadc18cf739f1648c605311c9bc41375
 2016-08-30 18:34:37 -07:00
James Zern
0a4699bcc9 Merge "WebPPictureDistortion(): free() -> WebPSafeFree()" 2016-08-31 01:27:06 +00:00
hui su
29fedbf58b Anim_encoder: correctly handle enc->prev_candidate_undecided_ 
Set enc->prev_candidate_undecided_ as 0 when a frame is not chosen
as a possible keyframe, so that the dispose method can be
dispose-to-background.

Change-Id: If2899f5dbc06fb53705fb8240072ab6440a6de12
 2016-08-30 15:25:09 -07:00
Pascal Massimino
32dead4ee3 WebPPictureDistortion(): free() -> WebPSafeFree() 
missed one!

Change-Id: I643170451b3ac07c748b70a9abfe8af17a716b24
 2016-08-30 15:43:23 +02:00
Vincent Rabaud
85cd5d061c Smarter LZ77 for uniform regions. 
No need to find backward references for pixels in uniform regions
by looking at all pixels.
Only pixels at the same distance from the end need to be compared to.

Change-Id: I4f187e965f0667d3a929775726a412f7e69f6473
 2016-08-26 09:53:49 +02:00
Pascal Massimino
6585075f8a Change PixelsAreSimilar() to handle black pixels correctly. 
if src_{r,g,b} = 0, any value of src_a or dst_a such that
   abs(src_a - dst_a) <= max_allowed_diff
was making the test pass, despite being very different-looking pixels.

The fix is to require same values for src_a and dst_a before attempting
an r/g/b comparison.

Change-Id: If3a55a229eab3904ed454f20065e49e35c39f25c
 2016-08-25 07:33:18 +02:00
Vincent Rabaud
7f1b897bee Faster stochastic histogram merging. 
Constants are such that brute force is sometimes faster for some
data (mostly big images it seems).

Change-Id: I90aef536408683535e3b09ddfa2e77a9834038f6
 2016-08-19 14:52:57 +02:00
Pascal Massimino
3884972e3f remove WEBP_FORCE_ALIGNED and use memcpy() instead. 
BUG=webp:297

Change-Id: I89a08debec7bb1b3f411c897260ab1bb63f77df2
 2016-08-17 20:16:03 -07:00
James Zern
005e15b10a Merge "{extras,mux}/Makefile.am: add missing -lm" 2016-08-17 18:18:39 +00:00
skal
6ab496ed22 fix some 'unsigned integer overflow' warnings in ubsan 
I couldn't find a safe way of fixing VP8GetSigned() so i just
used the big-hammer.

Change-Id: I1039bc00307d1c90c85909a458a4bc70670e48b7
 2016-08-16 23:18:27 -07:00
James Zern
8a4ebc6ab0 Revert "fix 'unsigned integer overflow' warnings in ubsan" 
This reverts commit e44f5248ff.

contains unintentional changes in quant.c

Change-Id: I1928f072566788b0c9ea80f6fbc9e571061f9b3e
 2016-08-16 16:55:56 -07:00
Pascal Massimino
9d4f209f80 Merge changes I25711dd5,I43188fab 
* changes:
  Fix assertions in WebPRescalerExportRow()
  Add descriptions of default configuration in help info.
 2016-08-16 22:13:23 +00:00
skal
e44f5248ff fix 'unsigned integer overflow' warnings in ubsan 
I couldn't find a safe way of fixing VP8GetSigned() so i just
used the big-hammer.

Change-Id: I1039bc00307d1c90c85909a458a4bc70670e48b7
 2016-08-16 15:04:41 -07:00
Hui Su
27b5d991e2 Fix assertions in WebPRescalerExportRow() 
Change-Id: I25711dd54e71c90a25f7b18e0ef9155e8151a15e
 2016-08-16 14:32:48 -07:00
James Zern
aaf2530cc3 {extras,mux}/Makefile.am: add missing -lm 
+ libwebpmux.pc

quality_estimate.c, anim_encode.c rely on functions from math.h

BUG=webp:306

Change-Id: I3a8eb48febfd52bfbeb04f4dc615ccbed72926f7
 2016-08-15 22:32:46 -07:00
hui su
1269dc7cfb Refactor VP8LColorCacheContains() 
Return key/index if the query is found, and -1 otherwise.
The benefit of this is to save a hashing computation.

Change-Id: Iff056be330f5fb8204011259ac814f7677dd40fe
 2016-08-12 15:16:06 -07:00
James Zern
40872fb2e6 dec_neon,NeedsHev: micro optimization 
trade 2 compares + 1 logical or for max + compare

Change-Id: I785ad8efdc64db2d0609456d6e7af795ab2117d8
 2016-08-08 20:12:30 -07:00
James Zern
b551e587b3 cosmetics: add {}s on continued control statements 
for consistency within the codebase. in some cases simply join the
lines.

Change-Id: I071f061052e274c8a69f651ed4305befb4414a40
 2016-08-03 19:08:59 -07:00
James Zern
d2e4484ef3 dsp/Makefile.am: put msa source in correct lib 
upsampling_msa.c was incorrectly included in the neon convenience lib
+ sort msa sources

Change-Id: I7c4883f16a5c2fed12bfa0e8d8d6a7acd5d4fb84
 2016-08-03 17:50:45 -07:00
Pascal Massimino
c7f66c82b3 Merge "utils/thread.c,cosmetics: join a few lines" 2016-07-28 04:08:48 +00:00
James Zern
39f4ffbcdc utils/thread.c,cosmetics: join a few lines 
Change-Id: I94c142fc6f9e6823ce16ca723145354eae4db9af
 2016-07-27 18:10:18 -07:00
hui su
0b2c58a91c Fix an unsigned integer overflow error in enc/cost.h 
Change-Id: I9774b59c417c185f09a61a115364b9642976a100
 2016-07-26 13:55:09 -07:00
hui su
386e4ba2f0 Reset segment id if we decide not to update segment map 
This avoids potential encoder and decoder mismatch.

Change-Id: I5282d3e168afc6193033ad3fce8fbc35618ab2f5
 2016-07-25 17:08:10 -07:00
Parag Salasakar
d3ddacb625 Add MSA optimized YUV to RGB upsampling functions 
We add the following MSA optimized YUV to RGB upsampling functions:
- UpsampleRgbLinePair
- UpsampleBgrLinePair
- UpsampleRgbaLinePair
- UpsampleBgraLinePair
- UpsampleArgbLinePair
- UpsampleRgba4444LinePair
- UpsampleRgb565LinePair

Change-Id: I7264a615edc7eb376e443e9d38bd8e3c9a2cab1f
 2016-07-22 14:28:30 +00:00
Pascal Massimino
45fbeba5cd Merge "Do token recording and counting in a single loop" 2016-07-20 13:07:41 +00:00
James Zern
ad497fbce3 move src/extras to the top-level 
reserve src/ for the code of the main libraries: libwebp, libwebpdemux
and libwebpmux

+ demote this library to internal only; i.e., don't install the header +
lib with make install

Change-Id: I8c9844db8f494be0fa0a2549a5b75b5cebcf666d
 2016-07-19 17:23:17 -07:00
hui su
0c0fb83211 Do token recording and counting in a single loop 
Change-Id: I8afd3c486b210bd67888de03e91dde7f78276f89
 2016-07-19 16:28:26 -07:00
Parag Salasakar
9ac74f922e Add MSA optimized rescaling functions 
We add the following MSA optimized rescaling functions:
- RescalerExportRowExpand
- RescalerExportRowShrink

Change-Id: Ic1c76065423b02617db94cf0c22bb564219b36e6
 2016-07-19 15:52:42 +00:00
Parag Salasakar
cb19dbc1a4 Add MSA optimized color transform functions 
We add the following MSA optimized color transform functions:
- TransformColor
- SubtractGreenFromBlueAndRed

Change-Id: Ib182d2b5faa7191f503ce70f0dfde0ac89402fd3
 2016-07-18 13:49:24 +00:00
Urvang Joshi
3f4042b52a WebPAnimEncoder: If 'minimize_size' and 'allow_mixed' on, try lossy + lossless. 
This improves compression by ~5% at default quality.

If only 'allow_mixed' is on (but 'minimize_size' isn't), we continue to
use a heuristic to try one of the two or both.

Change-Id: Ia573a73ea26ad25f9debff759eed69d2b0449e82
 2016-07-15 16:56:20 -07:00
James Zern
5e2eb89e1f cosmetics,dsp/*msa.c: associate '*' with the type 
not the variable

Change-Id: If5823e9731c406655eaf1dc1aaa2e6554ca7daad
 2016-07-15 15:40:41 -07:00
skal
5b60db5c9d FastMBAnalyze() for quick i16/i4 decision 
The decision is based on the variance between DC values of each
sub-4x4 block. This heuristic is rather ok for predicting whether
the 2nd transform (intra-16) is going to help or not.
The decision threshold varies with quality (=quantization).

It's only used for -m 0 and -m 1, where no full RD-opt is performed.
It actually makes these modes quite faster, with RD curve much
closer to the -m 2 mode.

Change-Id: I15f972db97ba4082cbd1dfd16bee3eb2eca701a8
 2016-07-15 11:21:08 -07:00
Parag Salasakar
567e697776 Add MSA optimized CollectHistogram function 
We add the following MSA optimized encoder Histogram function:
- CollectHistogram

Change-Id: I28415704ec62c3ad375de06eeef468d9f514bb2d
 2016-07-15 22:51:33 +05:30
Parag Salasakar
c54ab8dd1a Add MSA optimized quantization functions 
We add the following MSA optimized encoder quantization functions:
- QuantizeBlock
- Quantize2Blocks

Change-Id: Ie32b442afa99eee62d2ef48942b41116a4e157d3
 2016-07-15 15:33:47 +00:00
Pascal Massimino
ec6f68c51e Merge "Remove QuantizeBlockWHT() in enc.c" 2016-07-14 18:59:08 +00:00
Vincent Rabaud
2a5c417c68 Apply the RLE heuristic to LZ77. 
Change-Id: I7317eed7e017ee8981f40fcf1737f97e0e3a238c
 2016-07-14 20:12:48 +02:00
hui su
91b59e886b Remove QuantizeBlockWHT() in enc.c 
QuantizeBlockWHT() is basically identical to QuantizeBlock(),
no need to keep two copies.

Change-Id: I970cb6948da1c750c1339971a55e3b40765cdd01
 2016-07-14 10:44:18 -07:00
Parag Salasakar
fe57273736 Add MSA optimized SSE functions 
We add the following MSA optimized encoder SSE functions:
- SSE16x16
- SSE16x8
- SSE8x8
- SSE4x4

Change-Id: I9ef9e903019337d9975c83264a652a7282bf5d5b
 2016-07-14 15:43:23 +05:30
James Zern
6b53ca876e cosmetics,(dec|enc)_sse2.c: fix indent 
Change-Id: Ic3326136ddd325e911e96c2e5a7f06b3e1d60f66
 2016-07-13 16:11:29 -07:00
Pascal Massimino
b15d00d996 Merge "Add MSA optimized encoder IntraChromaPreds function" 2016-07-13 14:54:28 +00:00
Parag Salasakar
afe3cec813 Add MSA optimized encoder IntraChromaPreds function 
We add the following MSA optimized intrapred chroma function:
- IntraChromaPreds

Change-Id: I051cd174f5ce675aeb94e648d52c5a340a133ed4
 2016-07-13 18:13:51 +05:30
skal
fc8cad9f29 reduce the number of malloc/free cycles in huffman.c 
pre-allocating a sorted[] array for most common cases of small
alphabet size cuts a lot of traffic.

Change-Id: I73ff2f6e507f81b0b0bb7d9801a344aa4bcb038a
 2016-07-12 12:06:31 -07:00
Parag Salasakar
7b4b05e0dc Add MSA optimized encoder Intra16Preds function 
We add the following MSA optimized intrapred 16x16 function:
- Intra16Preds

Change-Id: I89a249e041fbed377cb6a328c0b973add335b980
 2016-07-12 14:30:03 +05:30
Parag Salasakar
c18787a0e9 Add MSA optimized encoder Intra4Preds function 
We add the following MSA optimized intrapred 4x4 function:
- Intra4Preds

Change-Id: Icf325f3dcbf98bb6210811b666ce632cae575b22
 2016-07-12 04:36:56 +00:00
Pascal Massimino
bbb6ecd9b0 Merge "Add MSA optimized distortion functions" 2016-07-07 08:59:40 +00:00
Parag Salasakar
7915396f40 Add MSA optimized distortion functions 
We add the following MSA optimized distortion functions:
- Disto4x4
- Disto16x16

Change-Id: I0a545ed0182ea56a0d5f358639f6671c2c21b95c
 2016-07-07 07:30:22 +00:00